Model aircraft



FIG. 1 is a front perspective view of the model aircraft;

FIG. 2 is a top view of the model aircraft;

FIG. 3 is a bottom view of the model aircraft;

FIG. 4. is a right side view of the model aircraft;

FIG. 5 is a left side view of the model aircraft;

FIG. 6 is a front view of the model aircraft; and,

FIG. 7 is a rear view of the model aircraft.

The broken lines in FIGS. 3 and 7 are included for the purpose of illustrating portions of the model aircraft that form no part of the claimed design. 

The ornamental design for a model aircraft, as shown and described. 